US Passport Holders (regular, official and diplomatic) do not require a visa to enter Singapore for business or for social visit purposes. They must, however, meet the entry requirements as mentioned above.

Foreigners holding travel documents issued by the following countries will require either a Business visa or Social Visit visa to enter Singapore:

All holders of non-regular Travel Documents must consult the Singapore Embassy or the nearest Consulate on visa requirements to visit Singapore.

The period of stay permitted is at the discretion of the Immigration Officer upon arrival at the Singapore Changi Airport. It is normally between 14 to 30 days. Regardless of the length of stay granted, visitors may request for an extension of stay by applying in person at the Immigration & Checkpoints Authority before the expiry of the visa granted. More details can be found here.

Check Status of Visa Application
You can check the status of your visa application and print a copy of the e-Visa by following the below steps:

Step 1: Go to Immigration & Checkpoints Authority (ICA) website at www.ica.gov.sg
Step 2: At ICA homepage, scroll down to section <Frequently Accessed eServices> and click on <Visa(SAVE)>
Step 3: Scroll the page down and click on <Status Enquiry>
Step 4: Key in your <Application Reference Number (WASXXXXXXSAXXXXXXX) > and <Travel Document Number (XXXXXXXX)>
Step 5: If your application is approved, click on <Proceed> to get the copy of the e-Visa

If you had already been issued with a valid visa but misplaced the copy of your e-Visa, you can also follow the above steps to print a copy of your e-Visa.